September weather forecast
Toliara, Madagascar

Weather in September

September, the first month of the spring, in Toliara, is also a moderately hot month, with average temperature ranging between min 20.7°C (69.3°F) and max 28.7°C (83.7°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still moderately hot 28.7°C (83.7°F). In September, in Toliara, the average low-temperature is 20.7°C (69.3°F).

Heat index

In September, the average heat index is evaluated at a hot 30.8°C (87.4°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, wind, metabolic differences, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

July and September, with an average relative humidity of 62%, are the least humid months.

Rainfall

In September, the rain falls for 2.3 days. Throughout September, 6mm (0.24") of precipitation is accumulated. In Toliara, during the entire year, the rain falls for 93.8 days and collects up to 297mm (11.69") of precipitation.

Sea temperature

In Toliara, the average water temperature is 24.7°C (76.5°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.7°C (76.5°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

In Toliara, Madagascar, the average length of the day is 12h.

Sunshine

The average sunshine in Toliara is 9.4h.

UV index

January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index in Toliara. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Toliara?

The average high-temperature, in September, in Toliara, Madagascar, is 28.7°C (83.7°F), while the average low-temperature is 20.7°C (69.3°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 30.8°C (87.4°F).

What is the least humid month in Toliara?

July and September, with an average relative humidity of 62%, are the least humid months in Toliara.

What is the average humidity in September in Toliara?

The average relative humidity in September is 62%.

How many days does it rain in September in Toliara?

In Toliara, in September, during 2.3 rainfall days, 6mm (0.24") of precipitation is typically accumulated.

What is the sea temperature in September in Toliara?

In September, the average sea temperature in Toliara, Madagascar, is 24.7°C (76.5°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.7°C (76.5°F) water.

How many hours of daylight does Toliara have in September?

The average length of the day in September in Toliara, Madagascar, is 12h.

How many hours of sunshine does Toliara have in September?

In Toliara, the average sunshine in September is 9.4h.

What is the month with the highest UV index in Toliara?

January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index in Toliara.

What is the UV index intensity in September in Toliara?

In September, the average daily maximum UV index in Toliara is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in September
Toliara, Madagascar

Average temperature in September - Toliara, Madagascar
  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is January (31.5°C).
The month with the lowest average high temperature is July (25.8°C).

  • Average low temperature in September: 20.7°C

The month with the highest average low temperature is January (25.8°C).
The coldest month (with the lowest average low temperature) is July (18.8°C).

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Average pressure in September
Toliara, Madagascar

Average pressure in September - Toliara, Madagascar
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1009.4mbar).

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Average wind speed in September
Toliara, Madagascar

Average wind speed in September - Toliara, Madagascar
  • Average wind speed in September: 17.2km/h

The windiest month (with the highest average wind speed) is November (19km/h).
The calmest months (with the lowest average wind speed) are March and May (15.6km/h).

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Average humidity in September
Toliara, Madagascar

Average humidity in September - Toliara, Madagascar
  • Average humidity in September: 62%

Months with the highest relative humidity are February and March (70%).
Months with the lowest relative humidity are July and September (62%).

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Average rainfall in September
Toliara, Madagascar

Average rainfall in September - Toliara, Madagascar
  • Average rainfall in September: 6mm

The wettest month (with the highest rainfall) is January (89mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in September
Toliara, Madagascar

Average rainfall days in September - Toliara, Madagascar
  • Average rainfall days in September: 2.3 days

The month with the highest number of rainy days is January (20 days).
The month with the least rainy days is August (1.3 days).

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Average sea temperature in September
Toliara, Madagascar

Average sea temperature in September - Toliara, Madagascar
  • Average sea temperature in September: 24.7°C

The best month for swimming (with the highest average sea temperature) is January (29°C).
The coldest month (with the lowest average sea temperature) is July (23.9°C).

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Average daylight in September /
Average sunshine in September
Toliara, Madagascar

Average daylight in September / Average sunshine in September - Toliara, Madagascar
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.6h).
The month with the shortest days is June (Average daylight: 10.7h).

  • Average sunshine in September: 9.4h

Months with the most sunshine are October and November (Average sunshine: 12h).
The month with the least sunshine is August (Average sunshine: 7.5h).

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Average sunshine days in September
Toliara, Madagascar

Average sunshine days in September - Toliara, Madagascar
  • Average sunshine days in September: 27.1 days

The month with the most sunshine days is August (28 days).
The month with the least sunshine days is January (9.5 days).

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Average UV index in September
Toliara, Madagascar

Average UV index in September - Toliara, Madagascar
  • Average UV index in September: 7

Months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
Months with the lowest UV index are April, May, June, July and August (UV index 6).

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Average cloud cover in September
Toliara, Madagascar

Average cloud cover in September - Toliara, Madagascar
  • Average cloud cover in September: 7

The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 7).

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Average visibility in September
Toliara, Madagascar

Average visibility in September - Toliara, Madagascar
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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